Adding depth with make up

For those that kinda know me,  I am getting more and more into make up.  I found this video on YouTube about contour make up.  Basically, it's just burning and dodging with make up.  (Adding highlights and shadows to give it more depth).  You can use it anywhere you want to add depth: face, cleavage, etc.  As soon as I buy some foundation, I going to try it and post the results...